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Finding the Fourth Proportional to 599,337.78, 899,137.98 and 225,360.78

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Solution

The fourth proportional to 599,337.78, 899,137.98 and 225,360.78 is: 338,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,337.78 : 899,137.98 = 225,360.78 : x
  2. Step 2: Convert to fraction form
    599,337.78/899,137.98 = 225,360.78/x
  3. Step 3: Cross multiply
    599,337.78x = 899,137.98 × 225,360.78
  4. Step 4: Simplify right side
    599,337.78x = 202,630,436,500.42
  5. Step 5: Solve for x
    x = 202,630,436,500.42/599,337.78
  6. Step 6: Final answer
    x = 338,090.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.